ABSTRACT Conceptual confusion has long been a source of difficulty in the study of politics. W. B. Gallie’s analysis of ‘essentially contested concepts’, published in 1956, stands as a notable effort to address this problem. He explores the normative component of these concepts and offers seven criteria for evaluating their contestedness. In the present article, we examine Gallie’s framework and develop two extended applications, focused on ‘democracy ’ and ‘rule of law’. We underscore major contributions of Gallie’s approach, as well as controversies it has generated. Some important critiques argue that three of his criteria are too narrow. We suggest that these critics fail to recognize that Gallie offers both a restrictive and broader de...